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Finding the Fourth Proportional to 118,037.52, 177,018.21 and 46,936.53

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Solution

The fourth proportional to 118,037.52, 177,018.21 and 46,936.53 is: 70,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,037.52 : 177,018.21 = 46,936.53 : x
  2. Step 2: Convert to fraction form
    118,037.52/177,018.21 = 46,936.53/x
  3. Step 3: Cross multiply
    118,037.52x = 177,018.21 × 46,936.53
  4. Step 4: Simplify right side
    118,037.52x = 8,308,620,524.21
  5. Step 5: Solve for x
    x = 8,308,620,524.21/118,037.52
  6. Step 6: Final answer
    x = 70,389.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.